package Casting2;

public class Redwood extends Tree {
	public static void main(String[] args) {
		new Redwood().go();
	}

	void go() {
		go2(new Tree(), new Redwood());
		go2(new Tree(), new Redwood());
	}

	void go2(Tree t1, Redwood r1) {
		Redwood r2 = (Redwood) t1;
		Tree t2 = r1;
	}
}
